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perturbator

 - 2 dictionary results

per⋅turb

  [per-turb]
Use perturbator in a Sentence
–verb (used with object)
1. to disturb or disquiet greatly in mind; agitate.
2. to throw into great disorder; derange.
3. Astronomy. to cause perturbation in the orbit of (a celestial body).
Origin:
1325–75; ME perturben (< OF perturber) < L perturbāre to throw into confusion, equiv. to per- per- + turbāre to disturb; see turbid

Related forms:
per⋅turb⋅a⋅ble, adjective
per⋅turb⋅a⋅bil⋅i⋅ty, noun
per⋅tur⋅ba⋅tious  [pur-ter-bey-shuhs] , adjective
per⋅turb⋅ed⋅ly  [per-tur-bid-lee] , adverb
per⋅turb⋅ed⋅ness, noun
per⋅turb⋅er, per⋅tur⋅ba⋅tor  [pur-ter-bey-ter] , noun
per⋅turb⋅ing⋅ly, adverb
per⋅turb⋅ment, noun

Synonyms:
1. trouble. 2. confuse, addle, muddle.

Antonyms:
1. pacify.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Word Origin & History

perturb 
c.1374 (implied in perturbation), probably via O.Fr. perturber (14c.), from L. perturbare "to confuse, disorder, disturb," from per- "through" + turbare "disturb, confuse," from turba "turmoil, crowd" (see turbid).
Online Etymology Dictionary, © 2001 Douglas Harper
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